"The Boar's Head Carol"
From Tardis Wiki, the free Doctor Who reference
"The Boar's Head Carol" was a Christmas carol. Jamie McCrimmon played it on the bagpipes on Christmas Day in Antarctica, while the Second Doctor, Zoe Heriot and William Cuthbertson sang along. (PROSE: Mirth, or Walking Spirits [+]Loading...["Mirth, or Walking Spirits (short story)"])
